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17 Cards in this Set

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Pressure sores occur in approximately what percentage of hospitalized patients?
10%
What are the most common locations of pressure sores in supine patients?
Sacrum and heel
What are the most common locations of pressure sores in seated patients?
ischium and trochanter. Sacral sores can be seen with slightly reclined position
What is a stage I pressure sore?
nonblanchable erythema present >1 hour after pressure relief. Skin intact.
What is a stage II pressure sore?
partial thicknes skin loss
What is a stage III pressure sore?
full thickness skin loss into subcutaneous tissue, but not through fascia
What is a stage IV pressure sore?
through fascia into muscle, bone, tendon or joint
How often should supine patients be turned to prevent pressure sores?
every 2 hours
How often and for how long should seated patients be lifted to prevent pressure sores?
Every 10 min for at least 10 seconds
What is the treatment for Stage I and II pressure sores?
pressure relief (turning), reduce risk factors (moisture, shear, fricition) and wound dressings
What wound dressings are useful in treatment of Stage I and II pressure sores?
DuoDerm, Xeroform or petroleum gauze, silver sulfadiazine
Why are wet-to-moist dressings used to treat stage III pressure sores?
keeping the wound surface moist promotes growth of keratinocytes and fibroblasts
Dressings containing what enzyme can soften tough, devitalized tissue?
collagenase
What antimicrobial dressings are useful in treating Stage III pressure sores?
silver sulfdiazine, oxychlorosene (Dakin's solution, dilute bleach)
occlusive dressings should only be used on what type of wounds?
debrided, non-infected wounds
What growth factor is useful in the treatment of stage III pressure sores
recombinant platelet derived growth factor
What is the gold standard for diagnosis of osteomyelitis?
bone biopsy